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<?xml version='1.0'?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:sverb="http://nwalsh.com/xslt/ext/com.nwalsh.saxon.Verbatim"
xmlns:xverb="com.nwalsh.xalan.Verbatim"
xmlns:lxslt="http://xml.apache.org/xslt"
exclude-result-prefixes="sverb xverb lxslt"
version='1.0'>
<!-- ********************************************************************
$Id: callout.xsl,v 1.3 2004/10/01 16:32:08 techtonik Exp $
********************************************************************
This file is part of the XSL DocBook Stylesheet distribution.
See ../README or http://nwalsh.com/docbook/xsl/ for copyright
and other information.
******************************************************************** -->
<lxslt:component prefix="xverb"
functions="insertCallouts"/>
<xsl:template match="programlistingco|screenco">
<xsl:variable name="verbatim" select="programlisting|screen"/>
<xsl:choose>
<xsl:when test="$use.extensions != '0'
and $callouts.extension != '0'">
<xsl:variable name="rtf">
<xsl:apply-templates select="$verbatim">
<xsl:with-param name="suppress-numbers" select="'1'"/>
</xsl:apply-templates>
</xsl:variable>
<xsl:variable name="rtf-with-callouts">
<xsl:choose>
<xsl:when test="function-available('sverb:insertCallouts')">
<xsl:copy-of select="sverb:insertCallouts(areaspec,$rtf)"/>
</xsl:when>
<xsl:when test="function-available('xverb:insertCallouts')">
<xsl:copy-of select="xverb:insertCallouts(areaspec,$rtf)"/>
</xsl:when>
<xsl:otherwise>
<xsl:message terminate="yes">
<xsl:text>No insertCallouts function is available.</xsl:text>
</xsl:message>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:choose>
<xsl:when test="$verbatim/@linenumbering = 'numbered'
and $linenumbering.extension != '0'">
<div class="{name(.)}">
<xsl:call-template name="number.rtf.lines">
<xsl:with-param name="rtf" select="$rtf-with-callouts"/>
<xsl:with-param name="pi.context"
select="programlisting|screen"/>
</xsl:call-template>
<xsl:apply-templates select="calloutlist"/>
</div>
</xsl:when>
<xsl:otherwise>
<div class="{name(.)}">
<xsl:copy-of select="$rtf-with-callouts"/>
<xsl:apply-templates select="calloutlist"/>
</div>
</xsl:otherwise>
</xsl:choose>
</xsl:when>
<xsl:otherwise>
<div class="{name(.)}">
<xsl:apply-templates/>
</div>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template match="areaspec|areaset|area">
</xsl:template>
<xsl:template match="areaset" mode="conumber">
<xsl:number count="area|areaset" format="1"/>
</xsl:template>
<xsl:template match="area" mode="conumber">
<xsl:number count="area|areaset" format="1"/>
</xsl:template>
<xsl:template match="co" name="co">
<!-- Support a single linkend in HTML -->
<xsl:variable name="targets" select="key('id', @linkends)"/>
<xsl:variable name="target" select="$targets[1]"/>
<xsl:choose>
<xsl:when test="$target">
<a>
<xsl:if test="@id">
<xsl:attribute name="name">
<xsl:value-of select="@id"/>
</xsl:attribute>
</xsl:if>
<xsl:attribute name="href">
<xsl:call-template name="href.target">
<xsl:with-param name="object" select="$target"/>
</xsl:call-template>
</xsl:attribute>
<xsl:apply-templates select="." mode="callout-bug"/>
</a>
</xsl:when>
<xsl:otherwise>
<xsl:call-template name="anchor"/>
<xsl:apply-templates select="." mode="callout-bug"/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template match="coref">
<!-- tricky; this relies on the fact that we can process the "co" that's -->
<!-- "over there" as if it were "right here" -->
<xsl:variable name="co" select="key('id', @linkend)"/>
<xsl:choose>
<xsl:when test="not($co)">
<xsl:message>
<xsl:text>Error: coref link is broken: </xsl:text>
<xsl:value-of select="@linkend"/>
</xsl:message>
</xsl:when>
<xsl:when test="local-name($co) != 'co'">
<xsl:message>
<xsl:text>Error: coref doesn't point to a co: </xsl:text>
<xsl:value-of select="@linkend"/>
</xsl:message>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="$co"/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template match="co" mode="callout-bug">
<xsl:call-template name="callout-bug">
<xsl:with-param name="conum">
<xsl:number count="co"
level="any"
from="programlisting|screen|literallayout|synopsis"
format="1"/>
</xsl:with-param>
</xsl:call-template>
</xsl:template>
<xsl:template name="callout-bug">
<xsl:param name="conum" select='1'/>
<xsl:choose>
<xsl:when test="$callout.graphics != 0
and $conum <= $callout.graphics.number.limit">
<img src="{$callout.graphics.path}{$conum}{$callout.graphics.extension}"
alt="{$conum}" border="0"/>
</xsl:when>
<xsl:when test="$callout.unicode != 0
and $conum <= $callout.unicode.number.limit">
<xsl:choose>
<xsl:when test="$callout.unicode.start.character = 10102">
<xsl:choose>
<xsl:when test="$conum = 1">❶</xsl:when>
<xsl:when test="$conum = 2">❷</xsl:when>
<xsl:when test="$conum = 3">❸</xsl:when>
<xsl:when test="$conum = 4">❹</xsl:when>
<xsl:when test="$conum = 5">❺</xsl:when>
<xsl:when test="$conum = 6">❻</xsl:when>
<xsl:when test="$conum = 7">❼</xsl:when>
<xsl:when test="$conum = 8">❽</xsl:when>
<xsl:when test="$conum = 9">❾</xsl:when>
<xsl:when test="$conum = 10">❿</xsl:when>
</xsl:choose>
</xsl:when>
<xsl:otherwise>
<xsl:message>
<xsl:text>Don't know how to generate Unicode callouts </xsl:text>
<xsl:text>when $callout.unicode.start.character is </xsl:text>
<xsl:value-of select="$callout.unicode.start.character"/>
</xsl:message>
<xsl:text>(</xsl:text>
<xsl:value-of select="$conum"/>
<xsl:text>)</xsl:text>
</xsl:otherwise>
</xsl:choose>
</xsl:when>
<xsl:otherwise>
<xsl:text>(</xsl:text>
<xsl:value-of select="$conum"/>
<xsl:text>)</xsl:text>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
</xsl:stylesheet>
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